Spatio-temporal analysis of frontal midline theta rhythm in EEG during 3-D maze task

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Abstract

We examined electroencephalography (EEG) power spectrum and complex coherence in the theta and alpha band while the subjects were performing a three - dimension (3-D) virtual maze navigation tasks. 10 healthy males participated. The imaginary part of coherency was used to provide a functional measurement of corticocortical communication. The imaginary part of coherency analysis applied to a measurement EEG data in the section which frontal midline theta rhythm (6-7 Hz) appeared during 3-D maze tasks. The results showed that the coherency in the theta band between regions of frontal and right temporal increased during 3-D maze tasks. This result suggests that the frontal midline theta rhythm modulate the component of the neural circuit, and greater connections between the cortex regions of the frontal - temporal increase during 3-D maze task. Therefore, this finding leads to conclusion that information processing in spatial navigation is related to regions of frontal and temporal. © 2009 The Institute of Electrical Engineers of Japan.

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Uehara, Y., Tanaka, K., Uchikawa, Y., & Kim, B. S. (2009). Spatio-temporal analysis of frontal midline theta rhythm in EEG during 3-D maze task. IEEJ Transactions on Electronics, Information and Systems, 129(10), 1778–1784. https://doi.org/10.1541/ieejeiss.129.1778

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